Global Patent Index - EP 0634858 B1

EP 0634858 B1 2001-02-28 - Digital portable telephone apparatus with holding function and holding tone transmission method therefor

Title (en)

Digital portable telephone apparatus with holding function and holding tone transmission method therefor

Title (de)

Tragbares digitales Telefongerät mit einer Wartefunktion und Verfahren zur Wartetonübertragung

Title (fr)

Appareil téléphonique numérique et portable avec une fonction d'attente et une méthode de transmission de la tonalité d'attente

Publication

EP 0634858 B1 (EN)

Application

EP 94110806 A

Priority

JP 17283893 A

Abstract (en)

[origin: EP0634858A2] A digital portable telephone apparatus with a holding function normally has a VOX function and previously notifies, when absence of sound is detected in a sound presence condition, transmission power off of the talking channel by way of a postamble signal. The postamble signal is sent out periodically during a sound absence period and includes mobile station background noise generation information. Holding tone data which are the same data in successive sound sampling times are incorporated into the background noise generation information, and a resulted signal is transmitted. Accordingly, the transmission time of holding tone may be intermittent, and the transmission power can be saved. <IMAGE>

IPC 1-7 (main, further and additional classification)

H04M 1/72

IPC 8 full level (invention and additional information)

H04M 1/725 (2006.01); H04M 1/73 (2006.01); H04W 52/02 (2009.01)

CPC (invention and additional information)

H04M 1/72513 (2013.01); H04W 52/0225 (2013.01); Y02B 60/50 (2013.01)

Designated contracting state (EPC)

DE GB SE

EPO simple patent family

EP 0634858 A2 19950118; EP 0634858 A3 19971217; EP 0634858 B1 20010228; DE 69426741 D1 20010405; DE 69426741 T2 20010628; FI 943309 A0 19940712; FI 943309 A 19950114; US 5511237 A 19960423

INPADOC legal status


2004-03-03 [GBPC] GB: EUROPEAN PATENT CEASED THROUGH NON-PAYMENT OF RENEWAL FEE

- Effective date: 20030712

2004-02-03 [PG25 DE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: DE

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20040203

2003-07-12 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: GB

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20030712

2002-07-17 [PGFP DE] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: DE

- Payment date: 20020717

- Year of fee payment: 9

2002-07-10 [PGFP GB] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: GB

- Payment date: 20020710

- Year of fee payment: 9

2002-02-20 [26N] NO OPPOSITION FILED

2002-01-01 [REG GB IF02] EUROPEAN PATENT IN FORCE AS OF 2002-01-01

2001-07-27 [EN] FR: TRANSLATION NOT FILED

2001-04-05 [REF] CORRESPONDS TO:

- Document: DE 69426741 20010405

2001-02-28 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): DE GB SE

2001-02-28 [PG25 SE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: SE

- Free text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY

- Effective date: 20010228

2000-05-10 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20000323

1998-01-07 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19971107

1997-12-17 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A3

- Designated State(s): DE GB SE

1995-01-18 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): DE GB SE